US 12,242,586 B2
USB-based authentication device
Arindam Ghosh Roy, Bangalore (IN)
Assigned to MOZARC MEDICAL US LLC, Minneapolis, MN (US)
Filed by MOZARC MEDICAL US LLC, Minneapolis, MN (US)
Filed on Jan. 19, 2021, as Appl. No. 17/152,549.
Prior Publication US 2022/0229894 A1, Jul. 21, 2022
Int. Cl. G06F 21/34 (2013.01); G06F 13/42 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01)
CPC G06F 21/34 (2013.01) [G06F 13/4282 (2013.01); H04L 9/0877 (2013.01); H04L 9/3213 (2013.01); G06F 2213/0042 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method performed by a processor of a client computer, comprising the steps of:
communicating one or more USB identification characteristics from a USB device in communication with the processor to a key generation server;
receiving a unique USB key file from the key generation server by the processor;
wherein the unique USB key file is generated using the USB identification characteristics;
wherein the key generation server executes an algorithm to generate the unique USB key file from the USB identification characteristics;
saving the unique USB key file on the USB device; and, when the USB device is in communication with the processor any subsequent time: communicating the one or more USB identification characteristics from the USB device to the key generation server; regenerating the same unique USB key file from the key generation server by the processor, wherein the same key file is generated using the same USB identification characteristics;
comparing the same unique USB key file from the key generation server to the unique USB key file originally saved on the USB device; and
authenticating the USB device if the unique USB key file from the key generation server matches the unique USB key file originally saved on the USB device.